OF-79-01 Colorado Coal Reserve Depletion Data and Coal Mine Summaries OF-79-01 Colorado Coal Reserve Depletion Data and Coal Mine Summaries
OF-79-03 Content of Methane in Coal from Four Core Holes in the Raton and Vermejo Formations OF-79-03 Content of Adsorbed Methane in Coal from Four Core Holes in the Raton and Vermejo Formations, Las Animas County, Colorado
OF-78-06 Isopach Map of the Watkins Lignite Seam OF-78-06 Isopach Map of the Watkins Lignite Seam, Adams and Arapahoe Counties, Colorado and a Map Showing Extent of Alluvial Valley Floors and Overburden Thickness above the Watkins Lignite Seam, Adams and Arapahoe Counties, Colorado
OF-78-02 Data Accumulation on the Methane Potential of the Coal Beds of Colorado OF-78-02 Data Accumulation on the Methane Potential of the Coal Beds of Colorado, Final Report
OF-78-09 Coal Mines and Coal Analysis of the Denver and Cheyenne Basins OF-78-09 Coal Mines and Coal Analysis of the Denver and Cheyenne Basins, Colorado
OF-78-10 Geologic Hazards of the Glenwood Springs Metropolitan Area Garfield County OF-78-10 Geologic Hazards of the Glenwood Springs Metropolitan Area Garfield County, Colorado
OF-78-11 Geologic Hazards Upper Crystal River Area OF-78-11 Geologic Hazards Upper Crystal River Area, Gunnison County, Colorado
OF-78-12 Geologic Hazards OF-78-12 Geologic Hazards, North Fork Gunnison River Valley, Delta and Gunnison Counties, Colorado
OF-78-01 Evaluation of Coking Coal Deposits in Colorado First Annual Report (detail) OF-78-01 Evaluation of Coking Coal Deposits in Colorado First Annual Report
OF-78-05 Geologic Hazards Study in Douglas County OF-78-05 Geologic Hazards Study in Douglas County, Colorado
OF-77-01 Preliminary Investigation and Feasibility Study of Environmental Impact of Energy Resource Development in the Denver Basin (detail) OF-77-01 Preliminary Investigation and Feasibility Study of Environmental Impact of Energy Resource Development in the Denver Basin